Shading Performance on Terraced House Facades in Putrajaya, Malaysia

This study evaluates shading performance on house facades of selected three terraced houses in Putrajaya, Malaysia as the case studies. Terraced house type is selected for the case study because it is the most popular house type built in this country to house an increase of the urban population. Its...

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Main Authors: Hassan Ahmad Sanusi, Obaid Bakhlah Mohammed Salem
Format: Article
Language:English
Published: EDP Sciences 2015-01-01
Series:SHS Web of Conferences
Subjects:
Online Access:http://dx.doi.org/10.1051/shsconf/20151802001
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author Hassan Ahmad Sanusi
Obaid Bakhlah Mohammed Salem
author_facet Hassan Ahmad Sanusi
Obaid Bakhlah Mohammed Salem
author_sort Hassan Ahmad Sanusi
collection DOAJ
description This study evaluates shading performance on house facades of selected three terraced houses in Putrajaya, Malaysia as the case studies. Terraced house type is selected for the case study because it is the most popular house type built in this country to house an increase of the urban population. Its total number built in urban area increases from 27% of the total dwellings in 1980 to 40% in 1990, and to slightly more than 60 per cent in 2000. The Case Study A, B, and C are atypical style of terraced house facade designs built in Putrajaya. These postmodern designs exhibit a range of complex geometric elements blending of colonial and traditional elements with colorful styles on the house facade. In this study, the time at which the sun path perpendicular to the house facade will be used to gain the results of shading performances when the house facades have their maximum exposure to the direct sunlight. The house facade was divided into two main parts which are opaque and glazing surface elements. The amount of shading area on the opaque and glazing surface was simulated using the SunTool program. In conclusion, the Case Study C had the highest average percentage of the shading area, which is 64.43%, followed by the Case Study A 60.41% and Case Study B 56.29%. These results showed that the facade designs had excellent horizontal shading elements with roof overhangs for high angle sunlight but they had weak vertical shading elements due to a lack of considerations of louvered elements to block low angle sunlight.
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spelling doaj.art-6f295a54768c4e2389e440dfc9366c712022-12-21T22:24:53ZengEDP SciencesSHS Web of Conferences2261-24242015-01-01180200110.1051/shsconf/20151802001shsconf_icolass2014_02001Shading Performance on Terraced House Facades in Putrajaya, MalaysiaHassan Ahmad Sanusi0Obaid Bakhlah Mohammed Salem1School of Housing, Building and Planning Universiti Sains MalaysiaSchool of Housing, Building and Planning Universiti Sains MalaysiaThis study evaluates shading performance on house facades of selected three terraced houses in Putrajaya, Malaysia as the case studies. Terraced house type is selected for the case study because it is the most popular house type built in this country to house an increase of the urban population. Its total number built in urban area increases from 27% of the total dwellings in 1980 to 40% in 1990, and to slightly more than 60 per cent in 2000. The Case Study A, B, and C are atypical style of terraced house facade designs built in Putrajaya. These postmodern designs exhibit a range of complex geometric elements blending of colonial and traditional elements with colorful styles on the house facade. In this study, the time at which the sun path perpendicular to the house facade will be used to gain the results of shading performances when the house facades have their maximum exposure to the direct sunlight. The house facade was divided into two main parts which are opaque and glazing surface elements. The amount of shading area on the opaque and glazing surface was simulated using the SunTool program. In conclusion, the Case Study C had the highest average percentage of the shading area, which is 64.43%, followed by the Case Study A 60.41% and Case Study B 56.29%. These results showed that the facade designs had excellent horizontal shading elements with roof overhangs for high angle sunlight but they had weak vertical shading elements due to a lack of considerations of louvered elements to block low angle sunlight.http://dx.doi.org/10.1051/shsconf/20151802001Shading PerformanceFacadeTerraced HousesMalaysia
spellingShingle Hassan Ahmad Sanusi
Obaid Bakhlah Mohammed Salem
Shading Performance on Terraced House Facades in Putrajaya, Malaysia
SHS Web of Conferences
Shading Performance
Facade
Terraced Houses
Malaysia
title Shading Performance on Terraced House Facades in Putrajaya, Malaysia
title_full Shading Performance on Terraced House Facades in Putrajaya, Malaysia
title_fullStr Shading Performance on Terraced House Facades in Putrajaya, Malaysia
title_full_unstemmed Shading Performance on Terraced House Facades in Putrajaya, Malaysia
title_short Shading Performance on Terraced House Facades in Putrajaya, Malaysia
title_sort shading performance on terraced house facades in putrajaya malaysia
topic Shading Performance
Facade
Terraced Houses
Malaysia
url http://dx.doi.org/10.1051/shsconf/20151802001
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